Small-size lamp load impact resistant relay

Abstract

The utility model discloses a small-size lamp load impact-resistant relay, which relates to the technical field of relays and comprises a base made of insulating plastics, a slotted hole is arranged on the bottom surface of the base in a penetrating manner, a cavity is arranged on the inner wall of the base, a framework is inserted into the inner wall of the cavity, and convex ribs are arranged on the bottom surface of the framework. And the convex ribs are clamped in top surface groove holes of the base, fixing grooves are formed in the side faces of the framework, and a mounting assembly is arranged on the top surface of the base. According to the utility model, the movable contact spring is made of an elastic material, so that current-carrying heat dissipation and reset functions can be realized; under the condition of the same pushing force of the pushing card, as the height of the movable contact spring in the vertical direction is high and the arm of force is large, the moving distance of the movable contact towards the right side is long, which means that the consumed volume of the contact is larger, the final durability of the relay is stronger, and the flanging structure at the root of the movable contact spring is beneficial to current conduction and heat dissipation, so that the service life of the relay is prolonged. And the electrical durability and the loading capacity of the relay are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, in particular to a small-volume lamp load impact-resistant relay. Background Art

[0002] The smart home market is becoming more and more intelligent and energy-saving. In order to realize various intelligent and comfortable functions, more and more relays are integrated on the control panel as the actuator of the panel switch (from 1 switch and 2 switches in the early days to 3 or even 4 switches now); but the size of the panel switch (86 boxes) is fixed. In order to integrate more relays, the relays inevitably need to be miniaturized to match the customer's selection requirements.

[0003] The contacts of the existing relay contact group will continue to wear out during use, and the greater the load current, the more obvious the contact wear, which easily reduces the electrical durability of the relay. Therefore, in order to increase the load capacity of the relay, this problem needs to be improved. Utility Model Content

[0004] Technical issues solved

[0005] The utility model aims to make up for the deficiencies of the prior art and provides a small-volume lamp load impact-resistant relay.

[0006] Technical Solution

[0007] To achieve the above object, the utility model provides the following technical solutions: a small-volume lamp-load impact-resistant relay, comprising a base, the base is made of insulating plastic, a slot is provided through the bottom surface of the base, a cavity is provided on the inner wall of the base, a frame is inserted and placed on the inner wall of the cavity, a convex rib is provided on the bottom surface of the frame, and the convex rib is clamped in the slot on the top surface of the base, a fixing groove is provided on the side of the frame, and a mounting assembly is provided on the top surface of the base;

[0008] The inner wall of the frame is fixedly mounted with a coil assembly, both ends of the bottom surface of the frame are respectively penetrated with mounting holes, and the inner wall of the mounting hole is fixedly mounted with an input end.

[0009] As mentioned above, the outer surface of the base is sleeved with a shell, and the top surface of the shell is provided with a vent hole hot melt sealing component.

[0010] As mentioned above, the vent hole hot melt sealing assembly includes a vent hole, a cavity and a hot melt column. The vent hole is penetrated at one end of the top surface of the shell, a hot melt column is fixedly installed on the outer edge of the vent hole, and the inner wall of the shell is provided with a cavity.

[0011] As mentioned above, the mounting assembly includes an armature, a compression spring and a push card, the push card is made of insulating plastic, a card slot is penetrated at one end of the top surface of the push card, the push card is buckled on the top surface of the base, the upper end of the side surface of the armature is fixedly connected with a card platform, and the card platform is clamped to the inner wall of the card slot of the push card, a hanging groove is opened at the lower end of the side surface of the armature, the side surface of the compression spring is a flange structure, and one end of the flange structure is clamped to the inner wall of the hanging groove of the armature, one end of the side surface of the compression spring is inserted into the inner wall of the fixed groove on the side surface of the frame, and the two ends of the side surface of the push card are respectively fixedly connected to the limiting columns.

[0012] As mentioned above, both ends of the bottom surface of the base are penetrated with installation openings, and the inner walls of the installation openings are fixedly installed with output ends, and the sides of the output ends are provided with electrical durability increasing components.

[0013] As mentioned above, the electrical durability increasing component includes a moving contact, a static contact, a moving reed and a static reed. The inner walls of the two mounting openings of the base are fixedly installed with output ends. The moving reed is fixedly installed on the side of one of the output ends. The lower end of the moving reed is a flanged structure. Both ends of the side of the flanged structure of the moving reed are provided with limiting openings, and the limiting openings are buckled to the arc surface of the limiting column on the side of the push card. The side of the flanged structure of the moving reed is riveted with a moving contact. The static reed is integrally formed with the other output end, and the side of the static reed is fixedly installed with a static contact.

[0014] Beneficial effects:

[0015] Compared with the prior art, this small-volume lamp load impact resistant relay has the following beneficial effects:

[0016] 1. The utility model provides a push card, an output terminal, a moving contact, a static contact, a moving reed and a static reed, so that the moving reed is made of elastic material, and can take into account both current carrying, heat dissipation and reset function; when the push card has the same thrust, the moving reed has a high vertical height and a large force arm, so that the moving contact moves a long distance to the right, which means that the volume of the contact available for consumption is larger, so that the final durability of the relay is stronger, and the flange structure at the root of the moving reed is conducive to current conduction and heat dissipation, further improving the electrical durability and load-carrying capacity of the relay.

[0017] 2. The utility model provides a base, a frame, an armature, a push card and a compression spring, so that due to the cavity design of the base, the base cavity completely covers the input part, and the base is made of plastic material with strong insulation ability; a push card is used for transmission, and the push card is also made of plastic material to avoid direct contact between the metal parts of the input and output parts, so that insulation isolation is completed between the input and output, and the electrical gap and creepage gap are both above 8mm, which meets the requirements of the home appliance industry for strengthening insulation. At the same time, after the frame is inserted into the base, it can be interlocked through the slots and convex ribs, and through the ingenious connection between the armature, the push card and the compression spring, the entire relay is easy to install, and each component is not easy to fall off and is more stable.

[0018] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the housing of the utility model when viewed from below;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the base of the utility model;

[0022] Figure 4 It is a schematic diagram of the side structure of the base of the utility model;

[0023] Figure 5 This is a bottom view of the structure of the base of the utility model;

[0024] Figure 6 This is a schematic diagram of the bottom view of the skeleton structure of the utility model;

[0025] Figure 7 It is a schematic diagram of the three-dimensional structure of the compression spring of the utility model;

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the armature of the utility model;

[0027] Fig. 9 This is a schematic diagram of the three-dimensional structure of the push card of the utility model;

[0028] Fig.10 It is a schematic diagram of the three-dimensional structure of the output end of the utility model.

[0029] In the figure: 1. base; 2. frame; 3. coil assembly; 4. armature; 5. compression spring; 6. push card; 7. input end; 8. output end; 9. moving contact; 10. static contact; 11. moving spring; 12. shell; 13. static spring; 14. air vent; 15. cavity; 16. hot melt column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figure 1-10 As shown, the utility model provides a technical solution: a small-volume lamp-load impact-resistant relay, comprising a base 1, the base 1 is made of insulating plastic, a slot is provided through the bottom surface of the base 1, a cavity is provided on the inner wall of the base 1, and a frame 2 is inserted and placed in the inner wall of the cavity, a convex rib is provided on the bottom surface of the frame 2, and the convex rib is clamped in the slot on the top surface of the base 1, a fixing groove is provided on the side of the frame 2, and a mounting assembly is provided on the top surface of the base 1;

[0032] The coil assembly 3 is fixedly mounted on the inner wall of the frame 2 , mounting holes are respectively provided at both ends of the bottom surface of the frame 2 , and the input terminal 7 is fixedly mounted on the inner wall of the mounting hole.

[0033] According to the overall structure of the device, the coil assembly 3 is fixedly installed on the inner wall of the skeleton 2, and then the skeleton 2 is inserted into the base 1 so that the convex ribs of the skeleton 2 buckle the notches of the base 1 to make it firmly fixed, and then one end of the compression spring 5 is inserted into the fixing groove of the skeleton 2, and the flange structure of the compression spring 5 is inserted into the hanging groove of the armature 4, and then the limiting column of the push card 6 is inserted into the limiting mouth of the moving spring piece 11, and then the card platform of the armature 4 is inserted into the card slot of the push card 6 for positioning, and then the shell 12 is sleeved on the base 1. After the sleeve connection is completed, the groove formed by the step on the base 1 and the shell is filled and sealed with glue. When baking and curing, the gas can be discharged from the air vent 14. After cooling, the hot melt column 16 is used to seal the air vent 14 through a hot melt process to complete the installation of the relay. When the relay is running, the moving contact 9 of the moving spring piece 11 is pushed by the push card 6 to connect with the static contact 10 of the static spring piece 13.

[0034] like Figure 1-2 As shown, the outer surface of the base 1 is fixedly sleeved with a shell 12, the top surface of the shell 12 is provided with a vent hole hot melt sealing component, the vent hole hot melt sealing component includes a vent hole 14 and a cavity 15, the vent hole 14 is penetrated at one end of the top surface of the shell 12, and the inner wall of the shell 12 is provided with a cavity 15.

[0035] By setting the shell 12, hot melt column 16, air hole 14 and cavity 15, the shell 12 can be sleeved on the base 1, and the groove formed by the step on the base 1 and the shell is filled and sealed with glue. During baking and curing, the gas can be discharged from the air hole 14. After cooling, the hot melt column 16 is used to seal the air hole 14 through a hot melt process.

[0036] like Figure 7-9 As shown, the installation assembly includes an armature 4, a compression spring 5 and a push card 6. The push card 6 is made of insulating plastic. A card slot is provided at one end of the top surface of the push card 6. The push card 6 is buckled on the top surface of the base 1. The upper end of the side surface of the armature 4 is fixedly connected with a card platform, and the card platform is clamped on the inner wall of the card slot of the push card 6. A hanging groove is provided at the lower end of the side surface of the armature 4. The side surface of the compression spring 5 is in a flange structure, and one end of the flange structure is clamped on the inner wall of the hanging groove of the armature 4. One end of the side surface of the compression spring 5 is inserted into the inner wall of the fixed groove on the side surface of the frame 2. The two ends of the side surface of the push card 6 are respectively fixedly connected to the limiting columns.

[0037] By providing the armature 4, the compression spring 5 and the push card 6, the relay as a whole can be made more stable through the ingenious connection between the armature 4, the compression spring 5 and the push card 6.

[0038] like Fig.10 As shown, mounting openings are respectively provided at both ends of the bottom surface of the base 1, and the inner walls of the mounting openings are fixedly installed with output terminals 8, and the sides of the output terminals 8 are provided with electrical durability increasing components, and the electrical durability increasing components include a moving contact 9, a static contact 10, a moving spring 11 and a static spring 13. The inner walls of the two mounting openings of the base 1 are fixedly installed with output terminals 8, and the moving spring 11 is fixedly installed on the side of one of the output terminals 8. The lower end of the moving spring 11 is a flange structure, and both ends of the side of the flange structure of the moving spring 11 are provided with limiting openings, and the limiting openings are buckled to the arc surface of the limiting column on the side of the push card 6. The moving contact 9 is riveted on the side of the flange structure of the moving spring 11, and the static spring 13 is integrally formed with the other output terminal 8, and the side of the static spring 13 is fixedly installed with a static contact 10.

[0039] By setting the output terminal 8, the moving contact 9, the static contact 10, the moving reed 11 and the static reed 13, the moving reed 11 can be connected to the static contact 10 on the static reed 13 by pushing the card 6. Since the moving reed 11 is made of elastic material, it can take into account both current carrying and heat dissipation and reset function. When the pushing card 6 is pushed with the same thrust, the moving reed 11 has a high vertical height and a large force arm, so that the moving contact 9 moves a long distance to the right, which means that the larger the volume of the contact that can be consumed is, the better the final durability of the relay is. The flange structure at the root of the moving reed 11 is conducive to current conduction and heat dissipation, further improving the electrical durability and load-carrying capacity of the relay.

[0040] Working principle: fix the coil assembly 3 on the inner wall of the skeleton 2, then insert the skeleton 2 into the base 1 so that the convex ribs of the skeleton 2 buckle the notches of the base 1 to fix it firmly, then insert one end of the compression spring 5 into the fixing groove of the skeleton 2, and insert the flange structure of the compression spring 5 into the hanging groove of the armature 4, then insert the limiting column of the push card 6 into the limiting mouth of the moving spring piece 11, and then insert the card platform of the armature 4 into the card slot of the push card 6 for positioning, and then sleeve the shell 12 on the base 1. After the sleeve connection is completed, inject glue through the cavity 15. When baking and curing, the gas can be discharged from the air vent 14. After cooling, the hot melt column 16 is used to seal the air vent 14 through the hot melt process to complete the installation of the relay. When the relay is running, the moving contact 9 of the moving spring piece 11 is pushed by the push card 6 to connect with the static contact 10 of the static spring piece 13.

[0041] It should be noted that, in this article, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected", and "connected" should be understood in a broad sense. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "connected" can be a direct connection, an indirect connection through an intermediate medium, or a connection between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small-volume lamp load impact resistant relay, comprising a base (1), characterized in that: The base (1) is made of insulating plastic, a slot is provided through the bottom surface of the base (1), a cavity is provided on the inner wall of the base (1), a frame (2) is inserted and placed on the inner wall of the cavity, a convex rib is provided on the bottom surface of the frame (2), and the convex rib is clamped in the slot on the top surface of the base (1), a fixing groove is provided on the side surface of the frame (2), and a mounting assembly is provided on the top surface of the base (1); A coil assembly (3) is fixedly mounted on the inner wall of the frame (2), mounting holes are respectively provided through the two ends of the bottom surface of the frame (2), and an input end (7) is fixedly mounted on the inner wall of the mounting hole.

2. A small-volume lamp load impact resistant relay according to claim 1, characterized in that: The outer surface of the base (1) is sleeved with an outer shell (12), and the top surface of the outer shell (12) is provided with an air hole hot-melt sealing component.

3. A small-volume lamp load impact resistant relay according to claim 2, characterized in that: The vent hole hot melt sealing component comprises a vent hole (14), a cavity (15) and a hot melt column (16); the vent hole (14) is penetrated at one end of the top surface of the shell (12); a hot melt column (16) is fixedly installed on the outer edge of the vent hole (14); and the cavity (15) is opened on the inner wall of the shell (12).

4. A small-volume lamp load impact resistant relay according to claim 1, characterized in that: The installation assembly comprises an armature (4), a compression spring (5) and a push card (6), wherein the push card (6) is made of insulating plastic, a card slot is provided through one end of the top surface of the push card (6), the push card (6) is buckled on the top surface of the base (1), a card platform is fixedly connected to the upper end of the side surface of the armature (4), and the card platform is clamped to the inner wall of the card slot of the push card (6), a hanging groove is provided at the lower end of the side surface of the armature (4), the side surface of the compression spring (5) is in a flange structure, and one end of the flange structure is clamped to the inner wall of the hanging groove of the armature (4), one end of the side surface of the compression spring (5) is inserted into the inner wall of the fixed groove on the side surface of the frame (2), and the two ends of the side surface of the push card (6) are respectively fixedly connected to the limiting columns.

5. The small-volume lamp load impact resistant relay according to claim 1, characterized in that: Both ends of the bottom surface of the base (1) are respectively provided with mounting openings, and the inner walls of the mounting openings are fixedly provided with output ends (8), and the sides of the output ends (8) are provided with electrical durability increasing components.

6. A small-volume lamp load impact resistant relay according to claim 5, characterized in that: The electrical durability increasing component comprises a moving contact (9), a stationary contact (10), a moving spring (11) and a stationary spring (13); the inner walls of the two mounting openings of the base (1) are fixedly mounted with output ends (8); the moving spring (11) is fixedly mounted on the side of one of the output ends (8); the lower end of the moving spring (11) is a flanged structure; both ends of the side of the flanged structure of the moving spring (11) are provided with limiting openings, and the limiting openings are buckled to the arc surface of the limiting column on the side of the push card (6); the side of the flanged structure of the moving spring (11) is riveted with a moving contact (9); the stationary spring (13) is integrally formed with the other output end (8); and the side of the stationary spring (13) is fixedly mounted with a stationary contact (10).

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